CN117699684A - Rope climbing device capable of slowly descending in power outage - Google Patents

Abstract

The invention discloses a climbing rope device capable of being powered off and slowly lowered, and relates to the field of lifting devices. Under the condition of power failure or faults, the existing rope climbing machine cannot control the retarded descent of equipment such as a hanging basket and the like, and particularly when a person hangs at high altitude, great potential safety hazards exist. The invention comprises a main power box, a reduction box positioned at the left side of the main power box and a guide wheel box positioned at the left side of the reduction box, wherein a rope guide wheel is arranged in the guide wheel box, a motor system and a battery are arranged in the main power box, the motor system comprises a motor and a motor-driven secondary planetary gear reduction device, an output shaft of the secondary planetary gear reduction device is connected with a driving pinion, the driving pinion is meshed with a driven large gear and drives the rope guide wheel through a driven central shaft, the driven central shaft of the driven large gear is fixedly connected with a ratchet wheel, forward and backward rotation control is realized through opening and closing of a pawl, and the pawl is controlled by a slow-down switch on the box wall of the reduction box. The safe slow braking descent can be effectively realized under the condition of power failure or insufficient electric quantity.

Description

Rope climbing device capable of slowly descending in power outage

Technical Field

The invention relates to the field of lifting devices, in particular to a climbing rope device capable of being slowly lowered in a power-off mode.

Background

The construction of the transmission line is often located in an area inconvenient for transportation, and large-scale equipment is difficult to transport. Manual work results in higher physical demands on the operators. In a climbing operation, a rope ladder is generally provided as an up-and-down passage for an operator. The use of rope ladders requires extremely high demands on users, and has a large safety risk in practical use.

In the field of electric power construction, the climbing equipment needs to be used when the construction is carried out on an electric tower at a high place, and the existing building elevator is inconvenient due to the limitation of construction sites.

The auxiliary lifting device is adopted to realize the back and forth movement of people or objects at low positions and high positions, but the existing lifting device is mostly a simple device, and the safety cannot be guaranteed.

The general lifting device adopts a braking part to directly act on the lifting cable for braking and stopping, or adopts the lifting motor to drive and brake, when the braking part directly acts on the lifting cable for braking, the lifting cable is easy to wear and accumulate potential safety hazards, and when the cable is worn to exceed the critical tension, the cable is easy to break, so that the potential safety hazards are extremely large; under the condition of power failure or faults, the existing equipment protection device generally stops working of a motor, can not control the retarded descent of equipment such as a hanging basket and the like, and particularly causes dangers when people hang in high altitude, so that great potential safety hazards exist.

Disclosure of Invention

The technical problem to be solved and the technical task to be put forward in the invention are to perfect and improve the prior art scheme, and provide a climbing rope device capable of being slowly lowered in a power-off state, so as to achieve the purpose of safely slowly braking down in the power-off state. For this purpose, the present invention adopts the following technical scheme.

The utility model provides a rope climbing device that can outage slowly falls, includes main power case, is located the left reducing gear box of main power case and is located the left guide pulley case of reducing gear box, the guide pulley case include guide pulley case casing and locate the rope guide pulley that is used for driving the hoist cable in the guide pulley case casing, main power case include main power case casing, locate motor system and the battery that is used for providing power for motor system in the main power case casing, the reducing gear box include reducing gear case casing, initiative pinion, driven gear wheel, ratchet, pawl and pawl back shaft, initiative pinion and motor system's drive shaft link to each other, initiative pinion and driven gear wheel mesh mutually, ratchet and driven gear wheel be coaxial structure, all connect fixedly on the driven center pin, the left side of driven center pin stretch into the guide pulley case to connect fixedly above that rope guide pulley, the pawl connect on the pawl back shaft, the pawl back shaft rotationally connect on the case wall at reducing gear box left and right sides, the pawl with the driving gear box drive shaft link to each other, the ratchet be equipped with and control the ratchet and be equipped with the manual work and take-up and hang between the bottom of box and be used for the speed-down switch to be equipped with the manual work and hang down between the weight bearing. According to the device, the driving pinion is driven by the motor to drive the driven large gear to realize the rotation of the rope guide wheel, the rope guide wheel drives the lifting cable to realize lifting operation, the pawl is separated from the ratchet wheel by pressing the descent control switch under the condition of motor failure or power failure, the descent is realized under the action of gravity, when the descent is performed, the driving pinion, the driven large gear and the motor system form an integral damping system, the friction force between the pawl and the friction surface of the ratchet wheel can be regulated by the strength of the descent control switch, the Lorentz force is generated by the motor system through the inversion of the motor during the descent, the gravity of a person or a carrier is overcome, the free fall is avoided, the good damping effect can be realized, and the safe descent braking descent under the condition of power failure or power failure can be effectively realized; in addition, the friction braking position of the device is on the ratchet wheel, and the friction braking position is not directly acted on the lifting cable, so that the lifting cable is not subjected to long-term friction braking to cause more abrasion, the life cycle of the lifting cable is effectively improved, the occurrence of the breakage condition of the lifting cable is reduced, and the safety is better.

As a preferable technical means: the pawl comprises a pawl tip part and a pawl tail part, a supporting shaft sleeve part is arranged between the pawl tip part and the pawl tail part, the pawl tip part is meshed with a ratchet wheel, an elastic piece is pressed on the back of the pawl tip part, the back of the pawl tail part is propped against a descent control switch, and an operating button of the descent control switch is positioned outside the box wall of the reduction gearbox. The structure can effectively realize the control of the engagement or disengagement of the pawl and the ratchet wheel, and can realize the control operation by pressing the slow-down switch.

As a preferable technical means: the motor system comprises a motor and a secondary planetary gear reduction device connected with the output shaft of the motor, and the driving shaft is an output shaft of the secondary planetary gear reduction device. And the two-stage planetary gear transmission is adopted, so that the mechanical transmission efficiency is improved, the motor power is reduced, and the battery endurance is prolonged.

As a preferable technical means: the lower part of the right front surface of the main power box shell is provided with a speed regulating handle for regulating the rotating speed of the motor, and the speed regulating handle is connected with a controller of the motor; the left side of the speed regulating handle is provided with a positive and negative switch for controlling the positive and negative rotation of the motor. The rotating speed of the motor can be adjusted by rotating the speed regulating handle, so that the lifting speed of the device is controlled, and the forward and reverse switch can control the motor to rotate in the forward and reverse directions, so that the device can realize not only lifting operation but also descending operation.

As a preferable technical means: the front of the main power box shell is provided with a power button, a lifting control button and a display screen, the back of the display screen is provided with a PCB main board, the PCB main board is connected with the display screen, and a controller of the motor is connected with the PCB main board. The power button and the lifting control button are used for realizing manual motor control, and the setting of the display screen enables a user to know the working state of the device at any time, so that the lifting operation of the device is controlled conveniently and related information is checked.

As a preferable technical means: the motor is provided with a temperature sensor, and the temperature sensor is connected with the PCB main board. The surface temperature of the motor can be monitored, so that a user can better know the working state of the device.

As a preferable technical means: the hanging plate is provided with a weight sensor, and the weight sensor is connected with the PCB main board. The weight of the load can be monitored and displayed on the display screen, and when the load exceeds the preset maximum weight, the device can automatically stop running, so that safety accidents caused by overload are avoided.

As a preferable technical means: the lifting rope is characterized in that a rope guide block is arranged in the middle of the upper surface of the rope guide wheel, rope guide rods are arranged on two sides of the rope guide block, and the lifting rope passes through a limiting area between the rope guide block and the rope guide rods. The rope guide blocks and the rope guide rods are used for better guiding and limiting the path of the lifting rope.

As a preferable technical means: the top surfaces of the main power box shell and the reduction box shell are provided with a handle. So that the user can easily move the device to a desired position and perform necessary operations and uses.

As a preferable technical means: the PCB main board is connected with a wireless control module to be connected with a remote controller in a wireless way. The remote control device has the advantages that a user can operate the device in a long distance through the remote control device, and when the device needs to be lifted, the user can operate the device in a safe position without approaching the device. In addition, the wireless connection can also avoid the limitation of the wire or the cable when the user operates the device, thereby improving the freedom and convenience of use.

As a preferable technical means: the battery is a rechargeable battery, a charging port is formed in the back face of the main power box shell, the battery is detachably arranged in the battery box, a drawing handle is arranged on the right side of the battery, a detachable right end plate is arranged at the right end of the main power box shell, and the battery box is fixedly connected to the upper portion in the main power box shell. Through providing structure such as charge mouth, battery demountable installation, establishing pull handle and dismantling right end plate, the user operation is used and is maintained as convenient as possible.

As a preferable technical means: the second-stage planetary gear speed reducer comprises a first-stage planetary gear assembly connected to the left end of a motor output shaft and a second-stage planetary gear assembly in transmission connection with the left end of an output shaft of the first-stage planetary gear assembly, the first-stage planetary gear assembly comprises a first-stage sun gear, a first-stage planet carrier and a first-stage annular gear, the first-stage planet gear is meshed with the first-stage sun gear and the first-stage annular gear, the first-stage planet gear is rotatably connected to the first-stage planet carrier, a first-stage output shaft is arranged in the middle of the left end of the first-stage planet carrier, the second-stage planetary gear assembly comprises a second-stage sun gear, a second-stage planet carrier and a second-stage annular gear, the second-stage sun gear is fixedly connected to the left end of the first-stage output shaft, the second-stage planet gear is meshed with the second-stage sun gear and the second-stage annular gear, the second-stage planet carrier is rotatably connected to the second-stage planet carrier, a second-stage output shaft, namely a driving gear of the second-stage planetary gear speed reducer is arranged in the middle of the left end of the second-stage planet carrier, and the driving gear is connected with a pinion. The transmission structure of the two-stage planetary gear speed reduction device is effectively realized, and through the planetary gear speed reduction transmission of the two stages, the power of the motor can be more effectively transmitted, so that stable and efficient lifting operation of the device is realized, and vibration and noise during the working of the motor can be reduced.

The beneficial effects are that: according to the device, under the condition of motor failure or power failure, the pawl and the ratchet wheel can be separated by pressing the descent control switch, descent is realized under the action of gravity, an integral damping system is formed by the driving pinion, the driven large gear and the motor system during descent, the magnitude of the friction force between the pawl and the friction surface of the ratchet wheel can be adjusted by pressing the descent control switch, the motor system generates Lorentz force through the inversion of the motor during descent, the gravity of people or a bearing object is overcome, free falling is avoided, a good damping effect can be realized, and safe descent of the descent control brake can be effectively realized under the condition of power failure or insufficient electric quantity; in addition, the friction braking position of the device is on the ratchet wheel, and the friction braking position is not directly acted on the lifting cable, so that the lifting cable is not subjected to long-term friction braking to cause more abrasion, the life cycle of the lifting cable is effectively improved, the occurrence of the breakage condition of the lifting cable is reduced, and the safety is better.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the internal layout of the present invention.

Fig. 3 is a schematic diagram of a motor system according to the present invention in isolation.

FIG. 4 is a schematic illustration of the connection of the idler housing, descent control switch and pawl support shaft of the present invention.

Fig. 5 is an enlarged schematic view of the portion a of fig. 2 according to the present invention.

In the figure: 1. a guide wheel box shell; 2. a holder; 3. rope guide wheels; 4. a rope guide block; 5. a rope guide rod; 6. a lifting cable; 7. a main power box housing; 8. a battery; 9. a reduction gearbox housing; 10. a drive pinion; 11. a driven gearwheel; 12. a ratchet wheel; 13. a pawl; 14. a pawl support shaft; 15. a drive shaft; 16. a slow-falling switch; 17. an elastic member; 18. a battery case; 19. a pull handle; 20. a right end plate; 21. a speed regulating handle; 22. a positive and negative switch; 23. a handle; 24. a footing; 25. a display screen; 26. a motor; 27. a base; 28. a support ring; 29. a first stage ring gear; 30. a second-stage ring gear; 31. a backing ring; 32. a first stage sun gear; 33. a first stage planetary gear; 34. a first stage carrier; 35. a second stage sun gear; 36. a second stage planetary gear; 37. a second stage carrier; 38. a first stage output shaft; 39. a driven central shaft; 101. a blocking groove; 201. a limit rod; 202. a spring; 203. a circular handle; 204. a stop pin; 205. a retainer ring; 301. wheel grooves; 302. adding friction tendons; 501. an annular positioning groove; 1301. a claw tip portion; 1302. a tail portion; 1303. a support sleeve portion; 2601. and (5) a motor is output.

Detailed Description

The technical scheme of the invention is further described in detail below with reference to the attached drawings.

In the description of the present invention, it should be understood that terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. are merely for convenience of description and simplicity of description based on the orientation or positional relationship shown in the drawings, and do not necessarily indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and that these terms of expressing directions are only for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity, since the embodiments of the present invention may be arranged in different directions.

As shown in fig. 1 and 2, the climbing rope device capable of being slowly lowered in a power-off mode comprises a main power box, a reduction box positioned on the left side of the main power box and a guide wheel box positioned on the left side of the reduction box.

The guide pulley case includes guide pulley case casing 1 and fixer 2, guide pulley case casing 1 passes through fixer 2 detachably to be connected and is fixed in the reducing gear case left side, guide pulley case casing 1 upper end and right side opening, be equipped with the rope guide pulley 3 that is used for driving lifting rope 6 in the guide pulley case casing 1, be equipped with guide rope piece 4 in the middle of the higher authority of rope guide pulley 3, both sides are equipped with guide rope pole 5 around guide rope piece 4, lifting rope 6 passes the spacing region between guide rope piece 4 and the guide rope pole 5, and upwards wear out the upper end opening of guide pulley case casing 1, can guide and restrict the route direction of lifting rope 6 better through guide rope piece 4 and guide rope pole 5, the lower extreme of lifting rope 6 is located in the wheel groove 301 of rope guide pulley 3.

As shown in fig. 1, 2 and 5, the main power box comprises a main power box shell 7, a motor system and a battery 8 for providing power for the motor system are arranged in the main power box shell 7, the reduction box comprises a reduction box shell 9, a driving pinion 10, a driven big gear 11, a ratchet wheel 12, a pawl 13 and a pawl supporting shaft 14 are arranged in the reduction box shell 9, the driving pinion 10 is fixedly connected to a driving shaft 15 of the motor system, the driving pinion 10 is meshed with the driven big gear 11, the ratchet wheel 12 and the driven big gear 11 are of a coaxial structure and are fixedly connected to a driven central shaft 39, the left side of the driven central shaft 39 stretches into the guide wheel box and is fixedly connected with a rope guide wheel 3, the pawl 13 is connected to the pawl supporting shaft 14, the pawl supporting shaft 14 is rotatably connected to box walls on the left side and the right side of the reduction box, the pawl 13 is meshed with the ratchet wheel 12, and a slow-down switch 16 for manually controlling the meshing or non-meshing between the pawl 13 and the ratchet wheel 12 is arranged on the front box wall of the reduction box. The pawl 13 comprises a pawl tip part 1301 and a pawl tail part 1302, the pawl tip part 1301 and the pawl tail part 1302 are vertically arranged according to an included angle of 90 degrees, a supporting shaft sleeve part 1303 is arranged between the pawl tip part 1301 and the pawl tail part 1302, the pawl tip part 1301 is meshed with the ratchet wheel 12, an elastic piece 17 is pressed on the back of the pawl tip part 1301, the upper end of the elastic piece 17 is connected and fixed to the top wall of the reduction gearbox shell 9, the back of the pawl tail part 1302 is abutted against the slow-descent switch 16, the pawl 13 can be meshed with or separated from the ratchet wheel 12 by pressing the slow-descent switch 16, the operation is controlled, and an operation button of the slow-descent switch 16 is positioned outside the front gearbox wall of the reduction gearbox.

The battery 8 is a rechargeable battery 8, a charging port is arranged on the back surface of the main power box shell 7, the battery 8 is detachably arranged in the battery box 18, the battery box 18 is fixedly connected below the top wall of the main power box shell 7, a pull handle 19 is arranged on the right side of the battery 8, a detachable right end plate 20 is arranged at the right end of the main power box shell 7, and the battery box 18 is fixedly connected to the upper part in the main power box shell 7. By providing a structure of a charging port, detachable mounting of the battery 8, providing a drawing handle 19, and detachable right end plate 20, etc., the operation, use and maintenance of the user are facilitated as much as possible.

The lower part of the right front surface of the main power box shell 7 is provided with a speed regulating handle 21 for regulating the rotating speed of the motor 26, and the speed regulating handle 21 is connected with a controller of the motor 26; the left side of the speed adjusting handle 21 is provided with a forward and reverse switch 22 for controlling the forward and reverse rotation of the motor 26. The rotation speed of the motor 26 can be adjusted by rotating the speed regulating handle 21, so that the lifting speed of the device is controlled, and the forward and reverse switch 22 can control the motor 26 to rotate in forward and reverse directions, so that the device can realize not only lifting operation but also descending operation.

A handle 23 is connected to the top surfaces of the main power box housing 7 and the reduction box housing 9. So that the user can easily move the device to a desired position and perform necessary operations and uses.

The left side below the reduction gearbox is provided with a hanging plate which is used for hanging and bearing weights or people.

The bottom of the device is provided with 4 feet 24.

The front of the main power box shell 7 is provided with a power button, a lifting control button and a display screen 25, the back of the display screen 25 is provided with a PCB main board, the PCB main board is connected with the display screen 25, and a controller of the motor 26 is connected with the PCB main board. The power button and the lifting control button are used for realizing manual motor 26 control, and the display screen 25 is arranged so that a user can know the working state of the device at any time, and conveniently control the lifting operation of the device and check related information.

The motor 26 is provided with a temperature sensor connected to the PCB main board. The temperature of the surface of the motor 26 may be monitored to allow the user to better understand the operating condition of the device.

The hanging plate is provided with a weight sensor which is connected with the PCB main board. The weight of the load can be monitored and displayed on the display screen 25, and when the load exceeds a preset maximum weight, the device can automatically stop running, so that safety accidents caused by overload are avoided.

The PCB main board is connected with a wireless control module to be connected with a remote controller in a wireless way. The remote control device has the advantages that a user can operate the device in a long distance through the remote control device, and when the device needs to be lifted, the user can operate the device in a safe position without approaching the device. In addition, the wireless connection can also avoid the limitation of the wire or the cable when the user operates the device, thereby improving the freedom and convenience of use.

In order to improve the mechanical transmission efficiency, as shown in fig. 2 and 3, the motor system comprises a motor 26 and a secondary planetary gear reducer connected to a motor output shaft 2601, a driving shaft 15 is an output shaft of the secondary planetary gear reducer, the secondary planetary gear reducer comprises a first-stage planetary gear assembly connected to the left end of the motor output shaft 2601 and a second-stage planetary gear assembly in transmission connection with the left end of the output shaft of the first-stage planetary gear assembly, the first-stage planetary gear assembly is fixedly connected to the left end surface of the motor 26 through a base 27, a supporting ring 28 is connected between the first-stage planetary gear assembly and the second-stage planetary gear assembly, the second-stage planetary gear assembly is fixedly connected to a box wall on the left side of a main power box through a backing ring 31, the first-stage planetary gear assembly comprises a first-stage sun gear 32, a first-stage planetary gear 33, a first-stage planetary carrier 34 and a first-stage annular gear 29, the first-stage planetary gear 33 is meshed with the first-stage sun gear 32 and the first-stage annular gear 29, the first-stage planetary gear 33 is rotatably connected to the first-stage planetary carrier 34, a first-stage output shaft 38 is arranged in the middle of the left end of the first-stage planetary carrier 34, the second-stage planetary gear assembly comprises a second-stage sun gear 35, a second-stage planetary gear 36, a second-stage planetary carrier 37 and the second-stage annular gear 30, the second-stage sun gear 35 is fixedly connected in a shaft hole at the left end of the first-stage output shaft 38 through a central shaft, the second-stage planetary gear 36 is meshed with the second-stage sun gear 35 and the second-stage annular gear 30, the second-stage planetary gear 36 is rotatably connected to the second-stage planetary carrier 37, the output shaft of the second-stage planetary gear speed reducer is arranged in the middle of the left end of the second-stage planetary carrier 37 and serves as a driving shaft 15 of a motor system, to which the drive pinion 10 is attached. The transmission structure of the two-stage planetary gear speed reducer is effectively realized, the two-stage planetary gear transmission is adopted, the mechanical transmission efficiency is improved, the power of the motor 26 is reduced, the endurance capacity of the battery 8 is prolonged, and the vibration and noise of the motor 26 during working can be reduced, so that the stable and efficient lifting operation of the device is realized.

In order to raise friction, as shown in fig. 2, friction increasing ribs 302 are arranged in a wheel groove 301 of the rope guide wheel 3, the friction increasing ribs 302 are uniformly distributed around the wheel groove 301, the friction increasing ribs 302 are symmetrically arranged on the left and right sides of the central surface of the wheel groove 301, and the friction between the wheel groove 301 and the lifting cable 6 is increased by arranging the friction increasing ribs 302, so that the rope guide wheel 3 has better transmission effect on the lifting cable 6.

In order to conveniently realize the detachable structure of the guide wheel box shell 1, as shown in fig. 4, 2 supporting through holes matched with the left ends of 2 guide rope rods 5 in a rotating way are formed in the left wall of the guide wheel box shell 1, the fixer 2 comprises a limiting rod 201 and a spring 202, a round handle 203 is arranged at the tail part of the limiting rod 201, a stop pin 204 perpendicular to the axial direction of the limiting rod 201 is arranged at the position, close to the tail part, of the limiting rod 201, a check ring 205 is arranged at the position, close to the head part, of the limiting rod 201, a spring 202 is arranged on the limiting rod 201 between the check ring 205 and the box wall of the guide wheel box shell 1, through holes for penetrating the limiting rod 201 are formed in the front side and the rear side of the guide wheel box shell 1, a baffle groove 101 matched with the clearance of the stop pin 204 is formed in the outer side of the through holes, an annular positioning groove 501 is formed in the guide rope rod 5, the head part of the limiting rod 201 is inserted into the annular positioning groove 501, the outer diameter of the check ring 205 is larger than the groove width of the annular positioning groove 501 by 4mm, when the guide wheel box shell 1 needs to be opened, the round handle 203 of the limiting rod 201 is pulled by hand, the stop pin 204 is rotated again after the stop pin 201 is separated from the head part of the 6mm, the stop pin 201 is separated from the stop pin 201, the through holes, the through holes between the front side and the stop pin 201 and the guide wheel box shell 1 and the guide wheel shell 1 is separated from the outer wall of the guide wheel shell, and the guide wheel shell 1, and can be conveniently maintained by the guide box 1, and can be conveniently and pressed by the guide and conveniently, and maintained. In this example, the retainer 205 may be connected and secured in a threaded engagement with the stop bar 201.

In this example, the push button of the descent control switch 16 has three operation modes of "on", "off" and "continuously pressing", the "on" state corresponds to the fact that the pawl 13 is disengaged from the ratchet 12, the "off" state is the fact that the pawl 13 is engaged with the ratchet 12, and when "continuously pressing", the pawl 13 and the outer wall of the gear teeth of the ratchet 12 can be in a friction state according to the magnitude of the pressing force and the magnitude, and the magnitude of the friction force can be adjusted.

When the pawl 13 is disengaged from the ratchet 12, the motor 26 can rotate forward and reverse to perform normal operation, so that lifting is realized, and a remote controller is adopted for remote control or manual operation according to actual conditions.

When people are carried, the situations of faults, insufficient electric quantity and the like occur, in order to consider safety, the personnel must descend, the pawl 13 is continuously pressed through the descent control switch 16 and is separated from the ratchet wheel 12, the pawl 13 and the outer wall of the gear teeth of the ratchet wheel 12 are in a friction state, and the safety descent is realized by adjusting the state and utilizing the damping effect of the motor system under the action of the gravity of the personnel.

According to the device, the driving pinion 10 is driven by the motor 26 to drive the driven large gear 11 to rotate the rope guide wheel 3, the rope guide wheel 3 drives the lifting cable 6 to realize lifting operation, under the condition that the motor 26 fails or is powered off, the pawl 13 is separated from the ratchet wheel 12 by pressing the descent control switch 16, descending is realized under the action of gravity, when descending, the driving pinion 10, the driven large gear 11 and the motor system form an integral damping system, the friction force of the friction surface of the pawl 13 and the ratchet wheel 12 can be regulated by the strength of the descent control switch 16, the motor system generates Lorentz force through the inversion of the motor 26 during descending, the gravity of a person or a carrier is overcome, free falling is avoided, a good damping effect is realized, and safe descent control under the condition of power off or failure or electric quantity shortage can be effectively realized; in addition, the friction braking position of the device is on the ratchet 12, and the friction braking position is not directly acted on the lifting cable 6, so that the lifting cable 6 is not subjected to long-term friction braking to cause more abrasion, the life cycle of the lifting cable 6 is effectively improved, the occurrence of the breakage condition of the lifting cable 6 is reduced, and the safety is better.

The climbing rope device capable of being slowly lowered in a power-off mode shown in the above figures 1-5 is a specific embodiment of the invention, has shown the outstanding essential characteristics and remarkable progress of the invention, can be subjected to equivalent modification in terms of shape, structure and the like according to actual use requirements under the teaching of the invention, and is within the scope of protection of the scheme.

Claims (10)

1. The utility model provides a rope climbing device that can outage slowly falls which characterized in that: the device comprises a main power box, a reduction gearbox arranged at the left side of the main power box and a guide wheel box arranged at the left side of the reduction gearbox, wherein the guide wheel box comprises a guide wheel box shell (1) and a rope guide wheel (3) arranged in the guide wheel box shell (1) and used for driving a lifting cable (6), the main power box comprises a main power box shell (7), a motor system arranged in the main power box shell (7) and a battery (8) used for providing power for the motor system, the reduction gearbox comprises a reduction box shell (9), a main pinion (10), a driven gearwheel (11), a ratchet wheel (12), a pawl (13) and a pawl support shaft (14), the main pinion (10) is connected with a driving shaft (15) of the motor system, the main pinion (10) is meshed with the driven gearwheel (11), the ratchet wheel (12) and the driven gearwheel (11) are of coaxial structures and are both fixedly connected to a driven central shaft (39), the left side of the driven central shaft (39) stretches into the guide wheel box and is fixedly connected with the rope (3), the pawl support shaft (13) is connected to the ratchet wheel support shaft (14) and can be meshed with the right side of the ratchet wheel support shaft (14), the wall of the reduction gearbox is provided with a slow-descending switch (16) for manually controlling engagement or disengagement between the pawl (13) and the ratchet wheel (12), and the bottom of the reduction gearbox is provided with a hanging plate for hanging and bearing a weight.

2. The slowly descending power-outage climbing rope device according to claim 1, wherein: pawl (13) include claw point portion (1301) and claw afterbody portion (1302), be between claw point portion (1301) and claw afterbody portion (1302) for supporting shaft sleeve portion (1303), claw point portion (1301) mesh with ratchet (12), the back of claw point portion (1301) press and have elastic component (17), the back of claw afterbody portion (1302) offset with slow down switch (16), the operating button of slow down switch (16) be located the reducing gear box wall outside.

3. The slowly descending power-outage climbing rope device according to claim 1, wherein: the motor system comprises a motor (26) and a secondary planetary gear reduction device connected with a motor output shaft (2601), and the driving shaft (15) is an output shaft of the secondary planetary gear reduction device.

4. The slowly descending power-outage climbing rope device according to claim 1, wherein: the lower part of the right front surface of the main power box shell (7) is provided with a speed regulating handle (21) for regulating the rotating speed of the motor (26), and the speed regulating handle (21) is connected with a controller of the motor (26); the left side of the speed regulating handle (21) is provided with a positive and negative switch (22) for controlling the positive and negative rotation of the motor (26).

5. A power-off slow-descent climbing rope device according to claim 3, wherein: the front of the main power box shell (7) is provided with a power button, a lifting control button and a display screen (25), the back of the display screen (25) is provided with a PCB main board, the PCB main board is connected with the display screen (25), and a controller of the motor (26) is connected with the PCB main board.

6. The slowly descending power-outage rope climbing device according to claim 5, wherein: the motor (26) is provided with a temperature sensor, and the temperature sensor is connected with the PCB main board.

7. The slowly descending power-outage climbing rope device according to claim 6, wherein: the hanging plate is provided with a weight sensor, and the weight sensor is connected with the PCB main board.

8. The slowly descending power-outage rope climbing device according to claim 7, wherein: the lifting rope is characterized in that a rope guide block (4) is arranged in the middle of the upper surface of the rope guide wheel (3), rope guide rods (5) are arranged on two sides of the rope guide block (4), and the lifting rope (6) passes through a limit area between the rope guide block (4) and the rope guide rods (5).

9. The slowly descending power-outage climbing rope device according to claim 1, wherein: the top surfaces of the main power box shell (7) and the reduction box shell (9) are provided with a handle (23).

10. The slowly descending power-outage rope climbing device according to claim 5, wherein: the PCB main board is connected with a wireless control module to be connected with a remote controller in a wireless way.